Table 3. Mean (±standard deviation) of maternal biochemical indicators at baseline and after the intervention.
| Variable | Multivitamin-mineral (n=24) | Multivitamin (n=24) | %95CI | ||||
|---|---|---|---|---|---|---|---|
| Wk0 | Wk20 | Change | Wk0 | Wk20 | Change | ||
| Calcium (mg/dl) | 9 ± 1 | 9 ± 1 | 0.5 ± 0.9٭ | 9 ± 0 | 9 ± 1 | -0.1±0.8# | -1;-0.01 |
| Vitamin D (ng/mL) | 13 ± 6 | 14 ± 5 | 1 ± 4 | 9 ± 6 | 10 ± 4 | 1 ± 7 | -4;3 |
| Iron (mg/dL) | 144 ±145 | 149 ± 139 | 5 ± 157 | 97 ± 79 | 97 ± 37 | 1 ± 82 | -77;68 |
| Magnesium (mg/dL) | 2 ± 1 | 2 ± 1 | 0.1 ± 0.4 | 2 ± 0.3 | 2 ± 0.3 | -0.2 ± 0.3٭٭## | -1;-0.17 |
| Zinc (µg/dL) | 88 ± 25 | 100 ± 40 | 12 ± 44 | 87 ± 16 | 109 ± 33 | 22 ± 37٭٭ | -13;34 |
CI: Confidence interval; * Significant difference in respect to baseline (by paired t-test): p<0.05; ** Significant difference in respect to baseline (by paired t-test): p<0.01; # Between group differences (by independent samples t test): p<0.05; # # Between group differences (by independent samples t test): p<0.01.